Smoother Loading Typekit Fonts: A nice approach by Joni Korpi

For lovers of Typekit webfonts: If you want to guarantee that your pages load for all users without glitches, you’ll want to use Typekit’s asynchronous loading script. Advantage: pages will load fine for all users even in the event of a font network outage. Disadvantage: you’ll notice a flash of unstyled text (FOUT).